ORTIZ ORTIZ, M. L.; HERNÁNDEZ YOMAYUZA, O. M. Problem based learning mediated by a mobile educational application. Revista Virtual Universidad Católica del Norte, [S. l.], n. 69, p. 43–69, 2023. DOI: 10.35575/rvucn.n69a3. Disponível em: https://revistavirtual.ucn.edu.co/index.php/RevistaUCN/article/view/1465. Acesso em: 13 nov. 2026.